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[帮助文档] 通过冷热分层将热表转为冷表

云原生数据仓库AnalyticDB PostgreSQL版支持冷热分层存储，可以将访问频次低的热表转换为冷表存储到OSS中，以降低存储成本。本文介绍数据存储冷热分层的使用限制和使用方法。

深度 | 数据仓库分层存储技术揭秘

一、背景据IDC发布的《数据时代2025》报告显示，全球每年产生的数据将从2018年的33ZB增长到2025年的175ZB，平均每天约产生491EB数据。随着数据量的不断增长，数据存储成本成为企业IT预算的重要组成部分。例如1PB数据存储一年，全部放在高性能存储介质和全部放在低成本存储介...

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数据仓库分层存储技术揭秘

作者 | 沄浩、士远来源 | 阿里技术公众号一背景据IDC发布的《数据时代2025》报告显示，全球每年产生的数据将从2018年的33ZB增长到2025年的175ZB，平均每天约产生491EB数据。随着数据量的不断增长，数据存储成本成为企业IT预算的重要组成部分。例如1PB数据存储一年，全部放在高性...

[帮助文档] 数据仓库的分层和各层级用途

在阿里巴巴的数据体系中，我们建议将数据仓库分为三层，自下而上为：数据引入层（ODS，Operation Data Store）、数据公共层（CDM，Common Data Model）和数据应用层（ADS，Application Data Service）。

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云原生数据仓库AnalyticDB MySQL版

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